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Finding the Fourth Proportional to 125,583.92, 188,191.56 and 63,168.56

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Solution

The fourth proportional to 125,583.92, 188,191.56 and 63,168.56 is: 94,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,583.92 : 188,191.56 = 63,168.56 : x
  2. Step 2: Convert to fraction form
    125,583.92/188,191.56 = 63,168.56/x
  3. Step 3: Cross multiply
    125,583.92x = 188,191.56 × 63,168.56
  4. Step 4: Simplify right side
    125,583.92x = 11,887,789,849.35
  5. Step 5: Solve for x
    x = 11,887,789,849.35/125,583.92
  6. Step 6: Final answer
    x = 94,660.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.